The saveForwardAttachments procedure in the Compose Mail functionality in vtiger CRM 5.0.4 allows remote authenticated users to execute arbitrary code by composing an e-mail message with an attachment filename ending in (1) .php in installations based on certain Apache HTTP Server configurations, (2) .php. on Windows, or (3) .php/ on Linux, and then making a direct request to a certain pathname under storage/.

References

• https://nvd.nist.gov/vuln/detail/CVE-2009-3250
• http://marc.info/?l=bugtraq&m=125060676515670&w=2
• http://secunia.com/advisories/36309
• http://www.exploit-db.com/exploits/9450
• http://www.osvdb.org/57237
• http://www.securityfocus.com/bid/36062
• http://www.ush.it/team/ush/hack-vtigercrm_504/vtigercrm_504.txt
• http://www.vupen.com/english/advisories/2009/2319
• http://www.ush.it/2009/08/18/vtiger-crm-504-multiple-vulnerabilities